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-rwxr-xr-xt/t7816-grep-binary-pattern.sh128
1 files changed, 128 insertions, 0 deletions
diff --git a/t/t7816-grep-binary-pattern.sh b/t/t7816-grep-binary-pattern.sh
new file mode 100755
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+++ b/t/t7816-grep-binary-pattern.sh
@@ -0,0 +1,128 @@
+#!/bin/sh
+
+test_description='git grep with a binary pattern files'
+
+TEST_PASSES_SANITIZE_LEAK=true
+. ./lib-gettext.sh
+
+nul_match_internal () {
+ matches=$1
+ prereqs=$2
+ lc_all=$3
+ extra_flags=$4
+ flags=$5
+ pattern=$6
+ pattern_human=$(echo "$pattern" | sed 's/Q/<NUL>/g')
+
+ if test "$matches" = 1
+ then
+ test_expect_success $prereqs "LC_ALL='$lc_all' git grep $extra_flags -f f $flags '$pattern_human' a" "
+ printf '$pattern' | q_to_nul >f &&
+ LC_ALL='$lc_all' git grep $extra_flags -f f $flags a
+ "
+ elif test "$matches" = 0
+ then
+ test_expect_success $prereqs "LC_ALL='$lc_all' git grep $extra_flags -f f $flags '$pattern_human' a" "
+ >stderr &&
+ printf '$pattern' | q_to_nul >f &&
+ test_must_fail env LC_ALL=\"$lc_all\" git grep $extra_flags -f f $flags a 2>stderr &&
+ test_i18ngrep ! 'This is only supported with -P under PCRE v2' stderr
+ "
+ elif test "$matches" = P
+ then
+ test_expect_success $prereqs "error, PCRE v2 only: LC_ALL='$lc_all' git grep -f f $flags '$pattern_human' a" "
+ >stderr &&
+ printf '$pattern' | q_to_nul >f &&
+ test_must_fail env LC_ALL=\"$lc_all\" git grep -f f $flags a 2>stderr &&
+ test_i18ngrep 'This is only supported with -P under PCRE v2' stderr
+ "
+ else
+ test_expect_success "PANIC: Test framework error. Unknown matches value $matches" 'false'
+ fi
+}
+
+nul_match () {
+ matches=$1
+ matches_pcre2=$2
+ matches_pcre2_locale=$3
+ flags=$4
+ pattern=$5
+ pattern_human=$(echo "$pattern" | sed 's/Q/<NUL>/g')
+
+ nul_match_internal "$matches" "" "C" "" "$flags" "$pattern"
+ nul_match_internal "$matches_pcre2" "LIBPCRE2" "C" "-P" "$flags" "$pattern"
+ nul_match_internal "$matches_pcre2_locale" "LIBPCRE2,GETTEXT_LOCALE" "$is_IS_locale" "-P" "$flags" "$pattern"
+}
+
+test_expect_success 'setup' "
+ echo 'binaryQfileQm[*]cQ*æQð' | q_to_nul >a &&
+ git add a &&
+ git commit -m.
+"
+
+# Simple fixed-string matching
+nul_match P P P '-F' 'yQf'
+nul_match P P P '-F' 'yQx'
+nul_match P P P '-Fi' 'YQf'
+nul_match P P P '-Fi' 'YQx'
+nul_match P P 1 '' 'yQf'
+nul_match P P 0 '' 'yQx'
+nul_match P P 1 '' 'æQð'
+nul_match P P P '-F' 'eQm[*]c'
+nul_match P P P '-Fi' 'EQM[*]C'
+
+# Regex patterns that would match but shouldn't with -F
+nul_match P P P '-F' 'yQ[f]'
+nul_match P P P '-F' '[y]Qf'
+nul_match P P P '-Fi' 'YQ[F]'
+nul_match P P P '-Fi' '[Y]QF'
+nul_match P P P '-F' 'æQ[ð]'
+nul_match P P P '-F' '[æ]Qð'
+
+# Matching pattern and subject case with -i
+nul_match P 1 1 '-i' '[æ]Qð'
+
+# ...PCRE v2 only matches non-ASCII with -i casefolding under UTF-8
+# semantics
+nul_match P P P '-Fi' 'ÆQ[Ð]'
+nul_match P 0 1 '-i' 'ÆQ[Ð]'
+nul_match P 0 1 '-i' '[Æ]QÐ'
+nul_match P 0 1 '-i' '[Æ]Qð'
+nul_match P 0 1 '-i' 'ÆQÐ'
+
+# \0 in regexes can only work with -P & PCRE v2
+nul_match P P 1 '' 'yQ[f]'
+nul_match P P 1 '' '[y]Qf'
+nul_match P P 1 '-i' 'YQ[F]'
+nul_match P P 1 '-i' '[Y]Qf'
+nul_match P P 1 '' 'æQ[ð]'
+nul_match P P 1 '' '[æ]Qð'
+nul_match P P 1 '-i' 'ÆQ[Ð]'
+nul_match P P 1 '' 'eQm.*cQ'
+nul_match P P 1 '-i' 'EQM.*cQ'
+nul_match P P 0 '' 'eQm[*]c'
+nul_match P P 0 '-i' 'EQM[*]C'
+
+# Assert that we're using REG_STARTEND and the pattern doesn't match
+# just because it's cut off at the first \0.
+nul_match P P 0 '-i' 'NOMATCHQð'
+nul_match P P 0 '-i' '[Æ]QNOMATCH'
+nul_match P P 0 '-i' '[æ]QNOMATCH'
+
+# Ensure that the matcher doesn't regress to something that stops at
+# \0
+nul_match P P P '-F' 'yQ[f]'
+nul_match P P P '-Fi' 'YQ[F]'
+nul_match P P 0 '' 'yQNOMATCH'
+nul_match P P 0 '' 'QNOMATCH'
+nul_match P P 0 '-i' 'YQNOMATCH'
+nul_match P P 0 '-i' 'QNOMATCH'
+nul_match P P P '-F' 'æQ[ð]'
+nul_match P P P '-Fi' 'ÆQ[Ð]'
+nul_match P P 1 '-i' 'ÆQ[Ð]'
+nul_match P P 0 '' 'yQNÓMATCH'
+nul_match P P 0 '' 'QNÓMATCH'
+nul_match P P 0 '-i' 'YQNÓMATCH'
+nul_match P P 0 '-i' 'QNÓMATCH'
+
+test_done